Question 1

Migration refers to:

Accepted Answer

A) a long-term movement to a new area 
B) movement to a new area,including a short trip 
C) a high death rate due to natural selection in new areas 
D) rapid evolutionary change 
A) a long-term movement to a new area 
B) movement to a new area,including a short trip 
C) a high death rate due to natural selection in new areas 
D) rapid evolutionary change

Question 2

Mutations caused by human-made substances or activities are:

Accepted Answer

A) spontaneous mutations 
B) induced mutations 
C) of no evolutionary significance 
D) all of the above 
A) spontaneous mutations 
B) induced mutations 
C) of no evolutionary significance 
D) all of the above

Question 3

If allele A has a frequency of 0.70 and allele a has a frequency of 0.30,then the frequency of the heterozygote genotype would be:

Accepted Answer

A) 0.42 
B) 0.36 
C) 0.21 
D) 0.09 
A) 0.42 
B) 0.36 
C) 0.21 
D) 0.09

Question 4

What is meant by the term genetic load? What facts bring about an increase in the genetic load and what are some of the consequences of this increase?

Accepted Answer

Genetic load refers to the presence of d

Question 5

Think of some of the nonrandom criteria you might use to choose a mate.Speculate about how these criteria might or might not affect the phenotypes of your offspring.

Accepted Answer

Some nonrandom criteria that people migh

Question 6

Not all matings are equally fertile.This is part of:

Accepted Answer

A) genetic equilibrium 
B) genetic drift 
C) genetic load 
D) natural selection 
A) genetic equilibrium 
B) genetic drift 
C) genetic load 
D) natural selection

Question 7

In genetic terms,what is a population? How can the phenotype and genotype of a population be described?

Accepted Answer

In genetic terms, a population is a grou

Question 8

Write a concise definition of evolution in genetic terms.

Accepted Answer

Evolution, in genetic terms, is the chan

Question 9

In tribal societies trust is placed with family members as opposed to those outside the family.This extends to marriage,where the most desirable marriages are with relatives.In one society on the northwest coast of British Columbia the most desirable marriage is between a boy and his mother's brother's daughter,which makes his mother's brother (maternal uncle)his father-in-law.This type of mating is called:

Accepted Answer

A) assortative mating 
B) incest 
C) consanguineous mating 
D) random mating 
A) assortative mating 
B) incest 
C) consanguineous mating 
D) random mating

Question 10

The probability is that a genetic disease with the highest carrier rate among members of group A will occur:

Accepted Answer

A) at the lowest rate if members of group A mate only with other members of group A 
B) at a lower rate if members of group A mate outside of the group as opposed to mating within it 
C) at a higher rate if members of group A mate outside of the group as opposed to mating within it 
D) at about the same rate as any other group,since carrier rates do not directly affect resultant phenotypes 
A) at the lowest rate if members of group A mate only with other members of group A 
B) at a lower rate if members of group A mate outside of the group as opposed to mating within it 
C) at a higher rate if members of group A mate outside of the group as opposed to mating within it 
D) at about the same rate as any other group,since carrier rates do not directly affect resultant phenotypes

Question 11

Consanguineous mating within a population would tend to:

Accepted Answer

A) decrease the homogeneity of that population 
B) increase the homogeneity of that population 
C) increase the heterogeneity of that population 
D) have no effect on the gene pool 
A) decrease the homogeneity of that population 
B) increase the homogeneity of that population 
C) increase the heterogeneity of that population 
D) have no effect on the gene pool

Question 12

A new mutation is most likely to be:

Accepted Answer

A) deleterious 
B) neutral 
C) beneficial 
D) all of the above 
A) deleterious 
B) neutral 
C) beneficial 
D) all of the above

Question 13

If a population of early humans was reduced from 50,000 to 500 individuals because of a natural disaster,we might find that the resulting and future populations show,when compared with the original population:

Accepted Answer

A) no changes in gene frequencies 
B) greater genotypic and phenotypic variation 
C) less genotypic and phenotypic variation 
D) further reduction in population size leading to extinction 
A) no changes in gene frequencies 
B) greater genotypic and phenotypic variation 
C) less genotypic and phenotypic variation 
D) further reduction in population size leading to extinction

Question 14

Matching Questions
match the term with its definition:
-alteration of DNA molecule

Accepted Answer

A) mutation 
B) consanguineous mating 
C) genetic drift 
D) natural selection 
A) mutation 
B) consanguineous mating 
C) genetic drift 
D) natural selection

Question 15

A new mutation may be:

Accepted Answer

A) deleterious 
B) neutral 
C) beneficial 
D) all of the above 
A) deleterious 
B) neutral 
C) beneficial 
D) all of the above

Question 16

The smallest natural reproductive population is the:

Accepted Answer

A) deme 
B) species 
C) subspecies 
D) genus 
A) deme 
B) species 
C) subspecies 
D) genus

Question 17

Statistically,how often will a given real-world population be in a state of genetic equilibrium?

Accepted Answer

A) 100 percent 
B) 80 percent 
C) 25 percent 
D) 0 percent 
E) impossible to determine 
A) 100 percent 
B) 80 percent 
C) 25 percent 
D) 0 percent 
E) impossible to determine

Question 18

If a population is in genetic equilibrium,then p² +2pq + q² =:

Accepted Answer

A) 0 
B) ½ 
C) 1 
D) 10 
A) 0 
B) ½ 
C) 1 
D) 10

Question 19

If 36 percent of the individuals in a population have the genotype aa,then the frequency of the allele a is:

Accepted Answer

A) 0.032 
B) 0.32 
C) 0.40 
D) 0.60 
A) 0.032 
B) 0.32 
C) 0.40 
D) 0.60

Question 20

Genetic equilibrium is maintained in a gene pool under ideal conditions.This equilibrium is disturbed by:

Accepted Answer

A) gene flow 
B) random mating 
C) lack of natural selection 
D) all of the above 
A) gene flow 
B) random mating 
C) lack of natural selection 
D) all of the above

Migration refers to:

Mutations caused by human-made substances or activities are:

If allele A has a frequency of 0.70 and allele a has a frequency of 0.30,then the frequency of the heterozygote genotype would be:

What is meant by the term genetic load? What facts bring about an increase in the genetic load and what are some of the consequences of this increase?

Think of some of the nonrandom criteria you might use to choose a mate.Speculate about how these criteria might or might not affect the phenotypes of your offspring.

Not all matings are equally fertile.This is part of:

In genetic terms,what is a population? How can the phenotype and genotype of a population be described?

Write a concise definition of evolution in genetic terms.

The probability is that a genetic disease with the highest carrier rate among members of group A will occur:

Consanguineous mating within a population would tend to:

A new mutation is most likely to be:

If a population of early humans was reduced from 50,000 to 500 individuals because of a natural disaster,we might find that the resulting and future populations show,when compared with the original population:

Matching Questions match the term with its definition: -alteration of DNA molecule

A new mutation may be:

The smallest natural reproductive population is the:

Statistically,how often will a given real-world population be in a state of genetic equilibrium?

If a population is in genetic equilibrium,then p² +2pq + q² =:

If 36 percent of the individuals in a population have the genotype aa,then the frequency of the allele a is:

Genetic equilibrium is maintained in a gene pool under ideal conditions.This equilibrium is disturbed by:

Investigating the Nature of Humankind

The Study of Heredity

The Modern Study of Human Genetics

Natural Selection and the Origin of Species

Peoples Place in Nature

The Living Primates

Comparative Studies: Anatomy and Genetics

Onhuman Primate Behavior

Human Behavior in Perspective

The Record of the Past

The Early Primate Fossil Record and the Origins of the Hominins

The Early Hominins

Early Species of the Genus Homo

The Evolution of Homo Sapiens

The Biology of Modern Homo Sapiens

The Analysis of Human Variation

The Modern World

Filters

Exam 4: Population Genetics

Migration refers to:

Mutations caused by human-made substances or activities are:

If allele A has a frequency of 0.70 and allele a has a frequency of 0.30,then the frequency of the heterozygote genotype would be:

What is meant by the term genetic load? What facts bring about an increase in the genetic load and what are some of the consequences of this increase?

Think of some of the nonrandom criteria you might use to choose a mate.Speculate about how these criteria might or might not affect the phenotypes of your offspring.

Not all matings are equally fertile.This is part of:

In genetic terms,what is a population? How can the phenotype and genotype of a population be described?

Write a concise definition of evolution in genetic terms.

The probability is that a genetic disease with the highest carrier rate among members of group A will occur:

Consanguineous mating within a population would tend to:

A new mutation is most likely to be:

If a population of early humans was reduced from 50,000 to 500 individuals because of a natural disaster,we might find that the resulting and future populations show,when compared with the original population:

Matching Questions match the term with its definition: -alteration of DNA molecule

A new mutation may be:

The smallest natural reproductive population is the:

Statistically,how often will a given real-world population be in a state of genetic equilibrium?

If a population is in genetic equilibrium,then p² +2pq + q² =:

If 36 percent of the individuals in a population have the genotype aa,then the frequency of the allele a is:

Genetic equilibrium is maintained in a gene pool under ideal conditions.This equilibrium is disturbed by:

Investigating the Nature of Humankind

The Study of Heredity

The Modern Study of Human Genetics

Natural Selection and the Origin of Species

Peoples Place in Nature

The Living Primates

Comparative Studies: Anatomy and Genetics

Onhuman Primate Behavior

Human Behavior in Perspective

The Record of the Past

The Early Primate Fossil Record and the Origins of the Hominins

The Early Hominins

Early Species of the Genus Homo

The Evolution of Homo Sapiens

The Biology of Modern Homo Sapiens

The Analysis of Human Variation

The Modern World

Filters